/* SPDX-License-Identifier: GPL-2.0+ */

  /*

   * Copyright (c) 2013 The Chromium OS Authors.

   * Coypright (c) 2013 Guntermann & Drunck GmbH

   */

  #ifndef __TPM_V1_H
  #define __TPM_V1_H

  #include <tpm-common.h>

  /* Useful constants */
  enum {
  	TPM_REQUEST_HEADER_LENGTH	= 10,
  	TPM_RESPONSE_HEADER_LENGTH	= 10,
  	PCR_DIGEST_LENGTH		= 20,
  	DIGEST_LENGTH			= 20,
  	TPM_REQUEST_AUTH_LENGTH		= 45,
  	TPM_RESPONSE_AUTH_LENGTH	= 41,
  	/* some max lengths, valid for RSA keys <= 2048 bits */
  	TPM_KEY12_MAX_LENGTH		= 618,
  	TPM_PUBKEY_MAX_LENGTH		= 288,

  };

  enum tpm_startup_type {
  	TPM_ST_CLEAR		= 0x0001,
  	TPM_ST_STATE		= 0x0002,
  	TPM_ST_DEACTIVATED	= 0x0003,
  };
  
  enum tpm_physical_presence {
  	TPM_PHYSICAL_PRESENCE_HW_DISABLE	= 0x0200,
  	TPM_PHYSICAL_PRESENCE_CMD_DISABLE	= 0x0100,
  	TPM_PHYSICAL_PRESENCE_LIFETIME_LOCK	= 0x0080,
  	TPM_PHYSICAL_PRESENCE_HW_ENABLE		= 0x0040,
  	TPM_PHYSICAL_PRESENCE_CMD_ENABLE	= 0x0020,
  	TPM_PHYSICAL_PRESENCE_NOTPRESENT	= 0x0010,
  	TPM_PHYSICAL_PRESENCE_PRESENT		= 0x0008,
  	TPM_PHYSICAL_PRESENCE_LOCK		= 0x0004,
  };
  
  enum tpm_nv_index {
  	TPM_NV_INDEX_LOCK	= 0xffffffff,
  	TPM_NV_INDEX_0		= 0x00000000,
  	TPM_NV_INDEX_DIR	= 0x10000001,
  };

  enum tpm_resource_type {
  	TPM_RT_KEY	= 0x00000001,
  	TPM_RT_AUTH	= 0x00000002,
  	TPM_RT_HASH	= 0x00000003,
  	TPM_RT_TRANS	= 0x00000004,
  	TPM_RT_CONTEXT	= 0x00000005,
  	TPM_RT_COUNTER	= 0x00000006,
  	TPM_RT_DELEGATE	= 0x00000007,
  	TPM_RT_DAA_TPM	= 0x00000008,
  	TPM_RT_DAA_V0	= 0x00000009,
  	TPM_RT_DAA_V1	= 0x0000000A,
  };
  
  enum tpm_capability_areas {
  	TPM_CAP_ORD		= 0x00000001,
  	TPM_CAP_ALG		= 0x00000002,
  	TPM_CAP_PID		= 0x00000003,
  	TPM_CAP_FLAG		= 0x00000004,
  	TPM_CAP_PROPERTY	= 0x00000005,
  	TPM_CAP_VERSION		= 0x00000006,
  	TPM_CAP_KEY_HANDLE	= 0x00000007,
  	TPM_CAP_CHECK_LOADED	= 0x00000008,
  	TPM_CAP_SYM_MODE	= 0x00000009,
  	TPM_CAP_KEY_STATUS	= 0x0000000C,
  	TPM_CAP_NV_LIST		= 0x0000000D,
  	TPM_CAP_MFR		= 0x00000010,
  	TPM_CAP_NV_INDEX	= 0x00000011,
  	TPM_CAP_TRANS_ALG	= 0x00000012,
  	TPM_CAP_HANDLE		= 0x00000014,
  	TPM_CAP_TRANS_ES	= 0x00000015,
  	TPM_CAP_AUTH_ENCRYPT	= 0x00000017,
  	TPM_CAP_SELECT_SIZE	= 0x00000018,
  	TPM_CAP_DA_LOGIC	= 0x00000019,
  	TPM_CAP_VERSION_VAL	= 0x0000001A,
  };

  enum tmp_cap_flag {
  	TPM_CAP_FLAG_PERMANENT	= 0x108,
  };
  
  #define TPM_TAG_PERMANENT_FLAGS		0x001f

  #define TPM_NV_PER_GLOBALLOCK		BIT(15)
  #define TPM_NV_PER_PPREAD		BIT(16)
  #define TPM_NV_PER_PPWRITE		BIT(0)
  #define TPM_NV_PER_READ_STCLEAR		BIT(31)
  #define TPM_NV_PER_WRITE_STCLEAR	BIT(14)
  #define TPM_NV_PER_WRITEDEFINE		BIT(13)
  #define TPM_NV_PER_WRITEALL		BIT(12)

  
  enum {
  	TPM_PUBEK_SIZE			= 256,
  };

  enum {
  	TPM_CMD_EXTEND			= 0x14,
  	TPM_CMD_GET_CAPABILITY		= 0x65,
  	TPM_CMD_NV_DEFINE_SPACE		= 0xcc,
  	TPM_CMD_NV_WRITE_VALUE		= 0xcd,
  	TPM_CMD_NV_READ_VALUE		= 0xcf,
  };

  /**

   * TPM return codes as defined in the TCG Main specification
   * (TPM Main Part 2 Structures; Specification version 1.2)
   */
  enum tpm_return_code {
  	TPM_BASE	= 0x00000000,
  	TPM_NON_FATAL	= 0x00000800,
  	TPM_SUCCESS	= TPM_BASE,
  	/* TPM-defined fatal error codes */
  	TPM_AUTHFAIL			= TPM_BASE +  1,
  	TPM_BADINDEX			= TPM_BASE +  2,
  	TPM_BAD_PARAMETER		= TPM_BASE +  3,
  	TPM_AUDITFAILURE		= TPM_BASE +  4,
  	TPM_CLEAR_DISABLED		= TPM_BASE +  5,
  	TPM_DEACTIVATED			= TPM_BASE +  6,
  	TPM_DISABLED			= TPM_BASE +  7,
  	TPM_DISABLED_CMD		= TPM_BASE +  8,
  	TPM_FAIL			= TPM_BASE +  9,
  	TPM_BAD_ORDINAL			= TPM_BASE + 10,
  	TPM_INSTALL_DISABLED		= TPM_BASE + 11,
  	TPM_INVALID_KEYHANDLE		= TPM_BASE + 12,
  	TPM_KEYNOTFOUND			= TPM_BASE + 13,
  	TPM_INAPPROPRIATE_ENC		= TPM_BASE + 14,
  	TPM_MIGRATE_FAIL		= TPM_BASE + 15,
  	TPM_INVALID_PCR_INFO		= TPM_BASE + 16,
  	TPM_NOSPACE			= TPM_BASE + 17,
  	TPM_NOSRK			= TPM_BASE + 18,
  	TPM_NOTSEALED_BLOB		= TPM_BASE + 19,
  	TPM_OWNER_SET			= TPM_BASE + 20,
  	TPM_RESOURCES			= TPM_BASE + 21,
  	TPM_SHORTRANDOM			= TPM_BASE + 22,
  	TPM_SIZE			= TPM_BASE + 23,
  	TPM_WRONGPCRVAL			= TPM_BASE + 24,
  	TPM_BAD_PARAM_SIZE		= TPM_BASE + 25,
  	TPM_SHA_THREAD			= TPM_BASE + 26,
  	TPM_SHA_ERROR			= TPM_BASE + 27,
  	TPM_FAILEDSELFTEST		= TPM_BASE + 28,
  	TPM_AUTH2FAIL			= TPM_BASE + 29,
  	TPM_BADTAG			= TPM_BASE + 30,
  	TPM_IOERROR			= TPM_BASE + 31,
  	TPM_ENCRYPT_ERROR		= TPM_BASE + 32,
  	TPM_DECRYPT_ERROR		= TPM_BASE + 33,
  	TPM_INVALID_AUTHHANDLE		= TPM_BASE + 34,
  	TPM_NO_ENDORSEMENT		= TPM_BASE + 35,
  	TPM_INVALID_KEYUSAGE		= TPM_BASE + 36,
  	TPM_WRONG_ENTITYTYPE		= TPM_BASE + 37,
  	TPM_INVALID_POSTINIT		= TPM_BASE + 38,
  	TPM_INAPPROPRIATE_SIG		= TPM_BASE + 39,
  	TPM_BAD_KEY_PROPERTY		= TPM_BASE + 40,
  	TPM_BAD_MIGRATION		= TPM_BASE + 41,
  	TPM_BAD_SCHEME			= TPM_BASE + 42,
  	TPM_BAD_DATASIZE		= TPM_BASE + 43,
  	TPM_BAD_MODE			= TPM_BASE + 44,
  	TPM_BAD_PRESENCE		= TPM_BASE + 45,
  	TPM_BAD_VERSION			= TPM_BASE + 46,
  	TPM_NO_WRAP_TRANSPORT		= TPM_BASE + 47,
  	TPM_AUDITFAIL_UNSUCCESSFUL	= TPM_BASE + 48,
  	TPM_AUDITFAIL_SUCCESSFUL	= TPM_BASE + 49,
  	TPM_NOTRESETABLE		= TPM_BASE + 50,
  	TPM_NOTLOCAL			= TPM_BASE + 51,
  	TPM_BAD_TYPE			= TPM_BASE + 52,
  	TPM_INVALID_RESOURCE		= TPM_BASE + 53,
  	TPM_NOTFIPS			= TPM_BASE + 54,
  	TPM_INVALID_FAMILY		= TPM_BASE + 55,
  	TPM_NO_NV_PERMISSION		= TPM_BASE + 56,
  	TPM_REQUIRES_SIGN		= TPM_BASE + 57,
  	TPM_KEY_NOTSUPPORTED		= TPM_BASE + 58,
  	TPM_AUTH_CONFLICT		= TPM_BASE + 59,
  	TPM_AREA_LOCKED			= TPM_BASE + 60,
  	TPM_BAD_LOCALITY		= TPM_BASE + 61,
  	TPM_READ_ONLY			= TPM_BASE + 62,
  	TPM_PER_NOWRITE			= TPM_BASE + 63,
  	TPM_FAMILY_COUNT		= TPM_BASE + 64,
  	TPM_WRITE_LOCKED		= TPM_BASE + 65,
  	TPM_BAD_ATTRIBUTES		= TPM_BASE + 66,
  	TPM_INVALID_STRUCTURE		= TPM_BASE + 67,
  	TPM_KEY_OWNER_CONTROL		= TPM_BASE + 68,
  	TPM_BAD_COUNTER			= TPM_BASE + 69,
  	TPM_NOT_FULLWRITE		= TPM_BASE + 70,
  	TPM_CONTEXT_GAP			= TPM_BASE + 71,
  	TPM_MAXNVWRITES			= TPM_BASE + 72,
  	TPM_NOOPERATOR			= TPM_BASE + 73,
  	TPM_RESOURCEMISSING		= TPM_BASE + 74,
  	TPM_DELEGATE_LOCK		= TPM_BASE + 75,
  	TPM_DELEGATE_FAMILY		= TPM_BASE + 76,
  	TPM_DELEGATE_ADMIN		= TPM_BASE + 77,
  	TPM_TRANSPORT_NOTEXCLUSIVE	= TPM_BASE + 78,
  	TPM_OWNER_CONTROL		= TPM_BASE + 79,
  	TPM_DAA_RESOURCES		= TPM_BASE + 80,
  	TPM_DAA_INPUT_DATA0		= TPM_BASE + 81,
  	TPM_DAA_INPUT_DATA1		= TPM_BASE + 82,
  	TPM_DAA_ISSUER_SETTINGS		= TPM_BASE + 83,
  	TPM_DAA_TPM_SETTINGS		= TPM_BASE + 84,
  	TPM_DAA_STAGE			= TPM_BASE + 85,
  	TPM_DAA_ISSUER_VALIDITY		= TPM_BASE + 86,
  	TPM_DAA_WRONG_W			= TPM_BASE + 87,
  	TPM_BAD_HANDLE			= TPM_BASE + 88,
  	TPM_BAD_DELEGATE		= TPM_BASE + 89,
  	TPM_BADCONTEXT			= TPM_BASE + 90,
  	TPM_TOOMANYCONTEXTS		= TPM_BASE + 91,
  	TPM_MA_TICKET_SIGNATURE		= TPM_BASE + 92,
  	TPM_MA_DESTINATION		= TPM_BASE + 93,
  	TPM_MA_SOURCE			= TPM_BASE + 94,
  	TPM_MA_AUTHORITY		= TPM_BASE + 95,
  	TPM_PERMANENTEK			= TPM_BASE + 97,
  	TPM_BAD_SIGNATURE		= TPM_BASE + 98,
  	TPM_NOCONTEXTSPACE		= TPM_BASE + 99,
  	/* TPM-defined non-fatal errors */
  	TPM_RETRY		= TPM_BASE + TPM_NON_FATAL,
  	TPM_NEEDS_SELFTEST	= TPM_BASE + TPM_NON_FATAL + 1,
  	TPM_DOING_SELFTEST	= TPM_BASE + TPM_NON_FATAL + 2,
  	TPM_DEFEND_LOCK_RUNNING	= TPM_BASE + TPM_NON_FATAL + 3,
  };

  struct tpm_permanent_flags {
  	__be16	tag;
  	u8	disable;
  	u8	ownership;
  	u8	deactivated;
  	u8	read_pubek;
  	u8	disable_owner_clear;
  	u8	allow_maintenance;
  	u8	physical_presence_lifetime_lock;
  	u8	physical_presence_hw_enable;
  	u8	physical_presence_cmd_enable;
  	u8	cekp_used;
  	u8	tpm_post;
  	u8	tpm_post_lock;
  	u8	fips;
  	u8	operator;
  	u8	enable_revoke_ek;
  	u8	nv_locked;
  	u8	read_srk_pub;
  	u8	tpm_established;
  	u8	maintenance_done;
  	u8	disable_full_da_logic_info;
  } __packed;

  #define TPM_SHA1_160_HASH_LEN	0x14
  
  struct __packed tpm_composite_hash {
  	u8	digest[TPM_SHA1_160_HASH_LEN];
  };
  
  struct __packed tpm_pcr_selection {
  	__be16	size_of_select;
  	u8	pcr_select[3];	/* matches vboot's struct */
  };
  
  struct __packed tpm_pcr_info_short {
  	struct tpm_pcr_selection pcr_selection;
  	u8	locality_at_release;
  	struct tpm_composite_hash digest_at_release;
  };
  
  struct __packed tpm_nv_attributes {
  	__be16	tag;
  	__be32	attributes;
  };
  
  struct __packed tpm_nv_data_public {
  	__be16	tag;
  	__be32	nv_index;
  	struct tpm_pcr_info_short pcr_info_read;
  	struct tpm_pcr_info_short pcr_info_write;
  	struct tpm_nv_attributes permission;
  	u8	read_st_clear;
  	u8	write_st_clear;
  	u8	write_define;
  	__be32	data_size;
  };

  /**
   * Issue a TPM_Startup command.

   *

   * @param dev		TPM device

   * @param mode		TPM startup mode
   * @return return code of the operation
   */

  u32 tpm_startup(struct udevice *dev, enum tpm_startup_type mode);

  
  /**
   * Issue a TPM_SelfTestFull command.

   *

   * @param dev		TPM device

   * @return return code of the operation

   */

  u32 tpm_self_test_full(struct udevice *dev);

  /**
   * Issue a TPM_ContinueSelfTest command.

   *

   * @param dev		TPM device

   * @return return code of the operation

   */

  u32 tpm_continue_self_test(struct udevice *dev);

  /**
   * Issue a TPM_NV_DefineSpace command.  The implementation is limited
   * to specify TPM_NV_ATTRIBUTES and size of the area.  The area index
   * could be one of the special value listed in enum tpm_nv_index.

   *

   * @param dev		TPM device

   * @param index		index of the area
   * @param perm		TPM_NV_ATTRIBUTES of the area
   * @param size		size of the area
   * @return return code of the operation
   */

  u32 tpm_nv_define_space(struct udevice *dev, u32 index, u32 perm, u32 size);

  
  /**
   * Issue a TPM_NV_ReadValue command.  This implementation is limited
   * to read the area from offset 0.  The area index could be one of
   * the special value listed in enum tpm_nv_index.
   *

   * @param dev		TPM device

   * @param index		index of the area
   * @param data		output buffer of the area contents
   * @param count		size of output buffer
   * @return return code of the operation
   */

  u32 tpm_nv_read_value(struct udevice *dev, u32 index, void *data, u32 count);

  
  /**
   * Issue a TPM_NV_WriteValue command.  This implementation is limited
   * to write the area from offset 0.  The area index could be one of
   * the special value listed in enum tpm_nv_index.
   *

   * @param dev		TPM device

   * @param index		index of the area
   * @param data		input buffer to be wrote to the area
   * @param length	length of data bytes of input buffer
   * @return return code of the operation
   */

  u32 tpm_nv_write_value(struct udevice *dev, u32 index, const void *data,
  		       u32 length);

  
  /**
   * Issue a TPM_Extend command.
   *

   * @param dev		TPM device

   * @param index		index of the PCR
   * @param in_digest	160-bit value representing the event to be
   *			recorded
   * @param out_digest	160-bit PCR value after execution of the
   *			command
   * @return return code of the operation
   */

  u32 tpm_extend(struct udevice *dev, u32 index, const void *in_digest,
  	       void *out_digest);

  
  /**
   * Issue a TPM_PCRRead command.

   *

   * @param dev		TPM device

   * @param index		index of the PCR
   * @param data		output buffer for contents of the named PCR
   * @param count		size of output buffer
   * @return return code of the operation
   */

  u32 tpm_pcr_read(struct udevice *dev, u32 index, void *data, size_t count);

  
  /**
   * Issue a TSC_PhysicalPresence command.  TPM physical presence flag
   * is bit-wise OR'ed of flags listed in enum tpm_physical_presence.
   *

   * @param dev		TPM device

   * @param presence	TPM physical presence flag
   * @return return code of the operation
   */

  u32 tpm_tsc_physical_presence(struct udevice *dev, u16 presence);

  
  /**
   * Issue a TPM_ReadPubek command.
   *

   * @param dev		TPM device

   * @param data		output buffer for the public endorsement key

   * @param count		size of output buffer

   * @return return code of the operation
   */

  u32 tpm_read_pubek(struct udevice *dev, void *data, size_t count);

  
  /**
   * Issue a TPM_ForceClear command.
   *

   * @param dev		TPM device

   * @return return code of the operation
   */

  u32 tpm_force_clear(struct udevice *dev);

  
  /**
   * Issue a TPM_PhysicalEnable command.
   *

   * @param dev		TPM device

   * @return return code of the operation
   */

  u32 tpm_physical_enable(struct udevice *dev);

  
  /**
   * Issue a TPM_PhysicalDisable command.
   *

   * @param dev		TPM device

   * @return return code of the operation
   */

  u32 tpm_physical_disable(struct udevice *dev);

  
  /**
   * Issue a TPM_PhysicalSetDeactivated command.
   *

   * @param dev		TPM device

   * @param state		boolean state of the deactivated flag
   * @return return code of the operation
   */

  u32 tpm_physical_set_deactivated(struct udevice *dev, u8 state);

  
  /**
   * Issue a TPM_GetCapability command.  This implementation is limited
   * to query sub_cap index that is 4-byte wide.

   *

   * @param dev		TPM device

   * @param cap_area	partition of capabilities
   * @param sub_cap	further definition of capability, which is
   *			limited to be 4-byte wide
   * @param cap		output buffer for capability information

   * @param count		size of output buffer

   * @return return code of the operation

   */

  u32 tpm_get_capability(struct udevice *dev, u32 cap_area, u32 sub_cap,
  		       void *cap, size_t count);

  /**

   * Issue a TPM_FlushSpecific command for a AUTH resource.

   *

   * @param dev		TPM device

   * @param auth_handle	handle of the auth session
   * @return return code of the operation
   */

  u32 tpm_terminate_auth_session(struct udevice *dev, u32 auth_handle);

  
  /**

   * Issue a TPM_OIAP command to setup an object independent authorization

   * session.
   * Information about the session is stored internally.
   * If there was already an OIAP session active it is terminated and a new
   * session is set up.
   *

   * @param dev		TPM device

   * @param auth_handle	pointer to the (new) auth handle or NULL.
   * @return return code of the operation
   */

  u32 tpm_oiap(struct udevice *dev, u32 *auth_handle);

  
  /**
   * Ends an active OIAP session.
   *

   * @param dev		TPM device

   * @return return code of the operation
   */

  u32 tpm_end_oiap(struct udevice *dev);

  
  /**
   * Issue a TPM_LoadKey2 (Auth1) command using an OIAP session for authenticating
   * the usage of the parent key.
   *

   * @param dev		TPM device

   * @param parent_handle	handle of the parent key.
   * @param key		pointer to the key structure (TPM_KEY or TPM_KEY12).
   * @param key_length	size of the key structure
   * @param parent_key_usage_auth	usage auth for the parent key
   * @param key_handle	pointer to the key handle
   * @return return code of the operation
   */

  u32 tpm_load_key2_oiap(struct udevice *dev, u32 parent_handle, const void *key,
  		       size_t key_length, const void *parent_key_usage_auth,
  		       u32 *key_handle);

  
  /**
   * Issue a TPM_GetPubKey (Auth1) command using an OIAP session for
   * authenticating the usage of the key.
   *

   * @param dev		TPM device

   * @param key_handle	handle of the key
   * @param usage_auth	usage auth for the key
   * @param pubkey	pointer to the pub key buffer; may be NULL if the pubkey
   *			should not be stored.
   * @param pubkey_len	pointer to the pub key buffer len. On entry: the size of
   *			the provided pubkey buffer. On successful exit: the size
   *			of the stored TPM_PUBKEY structure (iff pubkey != NULL).
   * @return return code of the operation
   */

  u32 tpm_get_pub_key_oiap(struct udevice *dev, u32 key_handle,
  			 const void *usage_auth, void *pubkey,

  			 size_t *pubkey_len);

  /**
   * Get the TPM permanent flags value
   *

   * @param dev		TPM device

   * @param pflags	Place to put permanent flags
   * @return return code of the operation
   */

  u32 tpm_get_permanent_flags(struct udevice *dev,
  			    struct tpm_permanent_flags *pflags);

  
  /**
   * Get the TPM permissions
   *

   * @param dev		TPM device

   * @param perm		Returns permissions value
   * @return return code of the operation
   */

  u32 tpm_get_permissions(struct udevice *dev, u32 index, u32 *perm);

  /**
   * Flush a resource with a given handle and type from the TPM
   *

   * @param dev		TPM device

   * @param key_handle           handle of the resource
   * @param resource_type                type of the resource
   * @return return code of the operation
   */

  u32 tpm_flush_specific(struct udevice *dev, u32 key_handle, u32 resource_type);

  #ifdef CONFIG_TPM_LOAD_KEY_BY_SHA1
  /**
   * Search for a key by usage AuthData and the hash of the parent's pub key.
   *

   * @param dev		TPM device

   * @param auth	        Usage auth of the key to search for
   * @param pubkey_digest	SHA1 hash of the pub key structure of the key
   * @param[out] handle	The handle of the key (Non-null iff found)
   * @return 0 if key was found in TPM; != 0 if not.
   */

  u32 tpm_find_key_sha1(struct udevice *dev, const u8 auth[20],
  		      const u8 pubkey_digest[20], u32 *handle);

  #endif /* CONFIG_TPM_LOAD_KEY_BY_SHA1 */

  
  /**
   * Read random bytes from the TPM RNG. The implementation deals with the fact
   * that the TPM may legally return fewer bytes than requested by retrying
   * until @p count bytes have been received.
   *

   * @param dev		TPM device

   * @param data		output buffer for the random bytes
   * @param count		size of output buffer
   * @return return code of the operation
   */

  u32 tpm_get_random(struct udevice *dev, void *data, u32 count);

  /**
   * tpm_finalise_physical_presence() - Finalise physical presence
   *

   * @param dev		TPM device

   * @return return code of the operation (0 = success)
   */

  u32 tpm_finalise_physical_presence(struct udevice *dev);

  
  /**
   * tpm_nv_set_locked() - lock the non-volatile space
   *

   * @param dev		TPM device

   * @return return code of the operation (0 = success)
   */

  u32 tpm_nv_set_locked(struct udevice *dev);

  
  /**
   * tpm_set_global_lock() - set the global lock
   *

   * @param dev		TPM device

   * @return return code of the operation (0 = success)
   */

  u32 tpm_set_global_lock(struct udevice *dev);

  
  /**
   * tpm_resume() - start up the TPM from resume (after suspend)
   *

   * @param dev		TPM device

   * @return return code of the operation (0 = success)
   */

  u32 tpm_resume(struct udevice *dev);

  #endif /* __TPM_V1_H */